diff options
Diffstat (limited to 'sound/pci/emu10k1/emupcm.c')
| -rw-r--r-- | sound/pci/emu10k1/emupcm.c | 1870 |
1 files changed, 1870 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c new file mode 100644 index 00000000..e22b8e2b --- /dev/null +++ b/sound/pci/emu10k1/emupcm.c @@ -0,0 +1,1870 @@ +/* + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> + * Creative Labs, Inc. + * Routines for control of EMU10K1 chips / PCM routines + * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> + * + * BUGS: + * -- + * + * TODO: + * -- + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/time.h> +#include <linux/init.h> +#include <sound/core.h> +#include <sound/emu10k1.h> + +static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, + struct snd_emu10k1_voice *voice) +{ + struct snd_emu10k1_pcm *epcm; + + if ((epcm = voice->epcm) == NULL) + return; + if (epcm->substream == NULL) + return; +#if 0 + printk(KERN_DEBUG "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", + epcm->substream->runtime->hw->pointer(emu, epcm->substream), + snd_pcm_lib_period_bytes(epcm->substream), + snd_pcm_lib_buffer_bytes(epcm->substream)); +#endif + snd_pcm_period_elapsed(epcm->substream); +} + +static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, + unsigned int status) +{ +#if 0 + if (status & IPR_ADCBUFHALFFULL) { + if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) + return; + } +#endif + snd_pcm_period_elapsed(emu->pcm_capture_substream); +} + +static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, + unsigned int status) +{ +#if 0 + if (status & IPR_MICBUFHALFFULL) { + if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) + return; + } +#endif + snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); +} + +static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, + unsigned int status) +{ +#if 0 + if (status & IPR_EFXBUFHALFFULL) { + if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) + return; + } +#endif + snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); +} + +static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + unsigned int ptr; + + if (!epcm->running) + return 0; + ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; + ptr += runtime->buffer_size; + ptr -= epcm->ccca_start_addr; + ptr %= runtime->buffer_size; + + return ptr; +} + +static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) +{ + int err, i; + + if (epcm->voices[1] != NULL && voices < 2) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); + epcm->voices[1] = NULL; + } + for (i = 0; i < voices; i++) { + if (epcm->voices[i] == NULL) + break; + } + if (i == voices) + return 0; /* already allocated */ + + for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { + if (epcm->voices[i]) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); + epcm->voices[i] = NULL; + } + } + err = snd_emu10k1_voice_alloc(epcm->emu, + epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, + voices, + &epcm->voices[0]); + + if (err < 0) + return err; + epcm->voices[0]->epcm = epcm; + if (voices > 1) { + for (i = 1; i < voices; i++) { + epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; + epcm->voices[i]->epcm = epcm; + } + } + if (epcm->extra == NULL) { + err = snd_emu10k1_voice_alloc(epcm->emu, + epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, + 1, + &epcm->extra); + if (err < 0) { + /* + printk(KERN_DEBUG "pcm_channel_alloc: " + "failed extra: voices=%d, frame=%d\n", + voices, frame); + */ + for (i = 0; i < voices; i++) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); + epcm->voices[i] = NULL; + } + return err; + } + epcm->extra->epcm = epcm; + epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; + } + return 0; +} + +static unsigned int capture_period_sizes[31] = { + 384, 448, 512, 640, + 384*2, 448*2, 512*2, 640*2, + 384*4, 448*4, 512*4, 640*4, + 384*8, 448*8, 512*8, 640*8, + 384*16, 448*16, 512*16, 640*16, + 384*32, 448*32, 512*32, 640*32, + 384*64, 448*64, 512*64, 640*64, + 384*128,448*128,512*128 +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { + .count = 31, + .list = capture_period_sizes, + .mask = 0 +}; + +static unsigned int capture_rates[8] = { + 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { + .count = 8, + .list = capture_rates, + .mask = 0 +}; + +static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) +{ + switch (rate) { + case 8000: return ADCCR_SAMPLERATE_8; + case 11025: return ADCCR_SAMPLERATE_11; + case 16000: return ADCCR_SAMPLERATE_16; + case 22050: return ADCCR_SAMPLERATE_22; + case 24000: return ADCCR_SAMPLERATE_24; + case 32000: return ADCCR_SAMPLERATE_32; + case 44100: return ADCCR_SAMPLERATE_44; + case 48000: return ADCCR_SAMPLERATE_48; + default: + snd_BUG(); + return ADCCR_SAMPLERATE_8; + } +} + +static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) +{ + switch (rate) { + case 8000: return A_ADCCR_SAMPLERATE_8; + case 11025: return A_ADCCR_SAMPLERATE_11; + case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ + case 16000: return ADCCR_SAMPLERATE_16; + case 22050: return ADCCR_SAMPLERATE_22; + case 24000: return ADCCR_SAMPLERATE_24; + case 32000: return ADCCR_SAMPLERATE_32; + case 44100: return ADCCR_SAMPLERATE_44; + case 48000: return ADCCR_SAMPLERATE_48; + default: + snd_BUG(); + return A_ADCCR_SAMPLERATE_8; + } +} + +static unsigned int emu10k1_calc_pitch_target(unsigned int rate) +{ + unsigned int pitch_target; + + pitch_target = (rate << 8) / 375; + pitch_target = (pitch_target >> 1) + (pitch_target & 1); + return pitch_target; +} + +#define PITCH_48000 0x00004000 +#define PITCH_96000 0x00008000 +#define PITCH_85000 0x00007155 +#define PITCH_80726 0x00006ba2 +#define PITCH_67882 0x00005a82 +#define PITCH_57081 0x00004c1c + +static unsigned int emu10k1_select_interprom(unsigned int pitch_target) +{ + if (pitch_target == PITCH_48000) + return CCCA_INTERPROM_0; + else if (pitch_target < PITCH_48000) + return CCCA_INTERPROM_1; + else if (pitch_target >= PITCH_96000) + return CCCA_INTERPROM_0; + else if (pitch_target >= PITCH_85000) + return CCCA_INTERPROM_6; + else if (pitch_target >= PITCH_80726) + return CCCA_INTERPROM_5; + else if (pitch_target >= PITCH_67882) + return CCCA_INTERPROM_4; + else if (pitch_target >= PITCH_57081) + return CCCA_INTERPROM_3; + else + return CCCA_INTERPROM_2; +} + +/* + * calculate cache invalidate size + * + * stereo: channel is stereo + * w_16: using 16bit samples + * + * returns: cache invalidate size in samples + */ +static inline int emu10k1_ccis(int stereo, int w_16) +{ + if (w_16) { + return stereo ? 24 : 26; + } else { + return stereo ? 24*2 : 26*2; + } +} + +static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, + int master, int extra, + struct snd_emu10k1_voice *evoice, + unsigned int start_addr, + unsigned int end_addr, + struct snd_emu10k1_pcm_mixer *mix) +{ + struct snd_pcm_substream *substream = evoice->epcm->substream; + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int silent_page, tmp; + int voice, stereo, w_16; + unsigned char attn, send_amount[8]; + unsigned char send_routing[8]; + unsigned long flags; + unsigned int pitch_target; + unsigned int ccis; + + voice = evoice->number; + stereo = runtime->channels == 2; + w_16 = snd_pcm_format_width(runtime->format) == 16; + + if (!extra && stereo) { + start_addr >>= 1; + end_addr >>= 1; + } + if (w_16) { + start_addr >>= 1; + end_addr >>= 1; + } + + spin_lock_irqsave(&emu->reg_lock, flags); + + /* volume parameters */ + if (extra) { + attn = 0; + memset(send_routing, 0, sizeof(send_routing)); + send_routing[0] = 0; + send_routing[1] = 1; + send_routing[2] = 2; + send_routing[3] = 3; + memset(send_amount, 0, sizeof(send_amount)); + } else { + /* mono, left, right (master voice = left) */ + tmp = stereo ? (master ? 1 : 2) : 0; + memcpy(send_routing, &mix->send_routing[tmp][0], 8); + memcpy(send_amount, &mix->send_volume[tmp][0], 8); + } + + ccis = emu10k1_ccis(stereo, w_16); + + if (master) { + evoice->epcm->ccca_start_addr = start_addr + ccis; + if (extra) { + start_addr += ccis; + end_addr += ccis + emu->delay_pcm_irq; + } + if (stereo && !extra) { + snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); + snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); + } else { + snd_emu10k1_ptr_write(emu, CPF, voice, 0); + } + } + + /* setup routing */ + if (emu->audigy) { + snd_emu10k1_ptr_write(emu, A_FXRT1, voice, + snd_emu10k1_compose_audigy_fxrt1(send_routing)); + snd_emu10k1_ptr_write(emu, A_FXRT2, voice, + snd_emu10k1_compose_audigy_fxrt2(send_routing)); + snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, + ((unsigned int)send_amount[4] << 24) | + ((unsigned int)send_amount[5] << 16) | + ((unsigned int)send_amount[6] << 8) | + (unsigned int)send_amount[7]); + } else + snd_emu10k1_ptr_write(emu, FXRT, voice, + snd_emu10k1_compose_send_routing(send_routing)); + /* Stop CA */ + /* Assumption that PT is already 0 so no harm overwriting */ + snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); + snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); + snd_emu10k1_ptr_write(emu, PSST, voice, + (start_addr + (extra ? emu->delay_pcm_irq : 0)) | + (send_amount[2] << 24)); + if (emu->card_capabilities->emu_model) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); + if (extra) + snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | + emu10k1_select_interprom(pitch_target) | + (w_16 ? 0 : CCCA_8BITSELECT)); + else + snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | + emu10k1_select_interprom(pitch_target) | + (w_16 ? 0 : CCCA_8BITSELECT)); + /* Clear filter delay memory */ + snd_emu10k1_ptr_write(emu, Z1, voice, 0); + snd_emu10k1_ptr_write(emu, Z2, voice, 0); + /* invalidate maps */ + silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; + snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); + snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); + /* modulation envelope */ + snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); + snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); + snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); + snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); + snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); + snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); + snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); + snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); + snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); + snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); + /* volume envelope */ + snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); + snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); + /* filter envelope */ + snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); + /* pitch envelope */ + snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); + + spin_unlock_irqrestore(&emu->reg_lock, flags); +} + +static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + int err; + + if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) + return err; + if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) + return err; + if (err > 0) { /* change */ + int mapped; + if (epcm->memblk != NULL) + snd_emu10k1_free_pages(emu, epcm->memblk); + epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); + epcm->start_addr = 0; + if (! epcm->memblk) + return -ENOMEM; + mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; + if (mapped < 0) + return -ENOMEM; + epcm->start_addr = mapped << PAGE_SHIFT; + } + return 0; +} + +static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm; + + if (runtime->private_data == NULL) + return 0; + epcm = runtime->private_data; + if (epcm->extra) { + snd_emu10k1_voice_free(epcm->emu, epcm->extra); + epcm->extra = NULL; + } + if (epcm->voices[1]) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); + epcm->voices[1] = NULL; + } + if (epcm->voices[0]) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); + epcm->voices[0] = NULL; + } + if (epcm->memblk) { + snd_emu10k1_free_pages(emu, epcm->memblk); + epcm->memblk = NULL; + epcm->start_addr = 0; + } + snd_pcm_lib_free_pages(substream); + return 0; +} + +static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm; + int i; + + if (runtime->private_data == NULL) + return 0; + epcm = runtime->private_data; + if (epcm->extra) { + snd_emu10k1_voice_free(epcm->emu, epcm->extra); + epcm->extra = NULL; + } + for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + if (epcm->voices[i]) { + snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); + epcm->voices[i] = NULL; + } + } + if (epcm->memblk) { + snd_emu10k1_free_pages(emu, epcm->memblk); + epcm->memblk = NULL; + epcm->start_addr = 0; + } + snd_pcm_lib_free_pages(substream); + return 0; +} + +static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + unsigned int start_addr, end_addr; + + start_addr = epcm->start_addr; + end_addr = snd_pcm_lib_period_bytes(substream); + if (runtime->channels == 2) { + start_addr >>= 1; + end_addr >>= 1; + } + end_addr += start_addr; + snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, + start_addr, end_addr, NULL); + start_addr = epcm->start_addr; + end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); + snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], + start_addr, end_addr, + &emu->pcm_mixer[substream->number]); + if (epcm->voices[1]) + snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], + start_addr, end_addr, + &emu->pcm_mixer[substream->number]); + return 0; +} + +static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + unsigned int start_addr, end_addr; + unsigned int channel_size; + int i; + + start_addr = epcm->start_addr; + end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); + + /* + * the kX driver leaves some space between voices + */ + channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; + + snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, + start_addr, start_addr + (channel_size / 2), NULL); + + /* only difference with the master voice is we use it for the pointer */ + snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], + start_addr, start_addr + channel_size, + &emu->efx_pcm_mixer[0]); + + start_addr += channel_size; + for (i = 1; i < NUM_EFX_PLAYBACK; i++) { + snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], + start_addr, start_addr + channel_size, + &emu->efx_pcm_mixer[i]); + start_addr += channel_size; + } + + return 0; +} + +static struct snd_pcm_hardware snd_emu10k1_efx_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = NUM_EFX_PLAYBACK, + .channels_max = NUM_EFX_PLAYBACK, + .buffer_bytes_max = (64*1024), + .period_bytes_min = 64, + .period_bytes_max = (64*1024), + .periods_min = 2, + .periods_max = 2, + .fifo_size = 0, +}; + +static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); +} + +static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) +{ + return snd_pcm_lib_free_pages(substream); +} + +static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + int idx; + + /* zeroing the buffer size will stop capture */ + snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); + switch (epcm->type) { + case CAPTURE_AC97ADC: + snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); + break; + case CAPTURE_EFX: + if (emu->audigy) { + snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); + snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); + } else + snd_emu10k1_ptr_write(emu, FXWC, 0, 0); + break; + default: + break; + } + snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); + epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); + epcm->capture_bs_val = 0; + for (idx = 0; idx < 31; idx++) { + if (capture_period_sizes[idx] == epcm->capture_bufsize) { + epcm->capture_bs_val = idx + 1; + break; + } + } + if (epcm->capture_bs_val == 0) { + snd_BUG(); + epcm->capture_bs_val++; + } + if (epcm->type == CAPTURE_AC97ADC) { + epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; + if (runtime->channels > 1) + epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; + epcm->capture_cr_val |= emu->audigy ? + snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : + snd_emu10k1_capture_rate_reg(runtime->rate); + } + return 0; +} + +static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) +{ + struct snd_pcm_runtime *runtime; + unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; + + if (evoice == NULL) + return; + runtime = evoice->epcm->substream->runtime; + voice = evoice->number; + stereo = (!extra && runtime->channels == 2); + sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; + ccis = emu10k1_ccis(stereo, sample == 0); + /* set cs to 2 * number of cache registers beside the invalidated */ + cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; + if (cs > 16) cs = 16; + for (i = 0; i < cs; i++) { + snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); + if (stereo) { + snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); + } + } + /* reset cache */ + snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); + snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); + if (stereo) { + snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); + snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); + } + /* fill cache */ + snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); + if (stereo) { + snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); + } +} + +static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, + int master, int extra, + struct snd_emu10k1_pcm_mixer *mix) +{ + struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + unsigned int attn, vattn; + unsigned int voice, tmp; + + if (evoice == NULL) /* skip second voice for mono */ + return; + substream = evoice->epcm->substream; + runtime = substream->runtime; + voice = evoice->number; + + attn = extra ? 0 : 0x00ff; + tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; + vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; + snd_emu10k1_ptr_write(emu, IFATN, voice, attn); + snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); + snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); + snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); + snd_emu10k1_voice_clear_loop_stop(emu, voice); +} + +static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) +{ + struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + unsigned int voice, pitch, pitch_target; + + if (evoice == NULL) /* skip second voice for mono */ + return; + substream = evoice->epcm->substream; + runtime = substream->runtime; + voice = evoice->number; + + pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; + if (emu->card_capabilities->emu_model) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); + snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); + if (master || evoice->epcm->type == PLAYBACK_EFX) + snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); + snd_emu10k1_ptr_write(emu, IP, voice, pitch); + if (extra) + snd_emu10k1_voice_intr_enable(emu, voice); +} + +static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) +{ + unsigned int voice; + + if (evoice == NULL) + return; + voice = evoice->number; + snd_emu10k1_voice_intr_disable(emu, voice); + snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); + snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); + snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); + snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); + snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); + snd_emu10k1_ptr_write(emu, IP, voice, 0); +} + +static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, + struct snd_emu10k1_pcm *epcm, + struct snd_pcm_substream *substream, + struct snd_pcm_runtime *runtime) +{ + unsigned int ptr, period_pos; + + /* try to sychronize the current position for the interrupt + source voice */ + period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; + period_pos %= runtime->period_size; + ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); + ptr &= ~0x00ffffff; + ptr |= epcm->ccca_start_addr + period_pos; + snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); +} + +static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + struct snd_emu10k1_pcm_mixer *mix; + int result = 0; + + /* + printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", + (int)emu, cmd, substream->ops->pointer(substream)) + */ + spin_lock(&emu->reg_lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ + snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); + /* follow thru */ + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) + snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); + mix = &emu->pcm_mixer[substream->number]; + snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); + snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); + snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); + snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); + snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); + snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); + epcm->running = 1; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + epcm->running = 0; + snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); + snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); + snd_emu10k1_playback_stop_voice(emu, epcm->extra); + break; + default: + result = -EINVAL; + break; + } + spin_unlock(&emu->reg_lock); + return result; +} + +static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + int result = 0; + + spin_lock(&emu->reg_lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + /* hmm this should cause full and half full interrupt to be raised? */ + outl(epcm->capture_ipr, emu->port + IPR); + snd_emu10k1_intr_enable(emu, epcm->capture_inte); + /* + printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n", + epcm->adccr, epcm->adcbs); + */ + switch (epcm->type) { + case CAPTURE_AC97ADC: + snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); + break; + case CAPTURE_EFX: + if (emu->audigy) { + snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); + snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); + snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); + } else + snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); + break; + default: + break; + } + snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); + epcm->running = 1; + epcm->first_ptr = 1; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + epcm->running = 0; + snd_emu10k1_intr_disable(emu, epcm->capture_inte); + outl(epcm->capture_ipr, emu->port + IPR); + snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); + switch (epcm->type) { + case CAPTURE_AC97ADC: + snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); + break; + case CAPTURE_EFX: + if (emu->audigy) { + snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); + snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); + } else + snd_emu10k1_ptr_write(emu, FXWC, 0, 0); + break; + default: + break; + } + break; + default: + result = -EINVAL; + } + spin_unlock(&emu->reg_lock); + return result; +} + +static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + unsigned int ptr; + + if (!epcm->running) + return 0; + ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; +#if 0 /* Perex's code */ + ptr += runtime->buffer_size; + ptr -= epcm->ccca_start_addr; + ptr %= runtime->buffer_size; +#else /* EMU10K1 Open Source code from Creative */ + if (ptr < epcm->ccca_start_addr) + ptr += runtime->buffer_size - epcm->ccca_start_addr; + else { + ptr -= epcm->ccca_start_addr; + if (ptr >= runtime->buffer_size) + ptr -= runtime->buffer_size; + } +#endif + /* + printk(KERN_DEBUG + "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", + (long)ptr, (long)runtime->buffer_size, + (long)runtime->period_size); + */ + return ptr; +} + + +static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, + int cmd) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + int i; + int result = 0; + + spin_lock(&emu->reg_lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + /* prepare voices */ + for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); + } + snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); + + /* follow thru */ + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); + snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, + &emu->efx_pcm_mixer[0]); + for (i = 1; i < NUM_EFX_PLAYBACK; i++) + snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, + &emu->efx_pcm_mixer[i]); + snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); + snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); + for (i = 1; i < NUM_EFX_PLAYBACK; i++) + snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); + epcm->running = 1; + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + epcm->running = 0; + for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); + } + snd_emu10k1_playback_stop_voice(emu, epcm->extra); + break; + default: + result = -EINVAL; + break; + } + spin_unlock(&emu->reg_lock); + return result; +} + + +static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm = runtime->private_data; + unsigned int ptr; + + if (!epcm->running) + return 0; + if (epcm->first_ptr) { + udelay(50); /* hack, it takes awhile until capture is started */ + epcm->first_ptr = 0; + } + ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; + return bytes_to_frames(runtime, ptr); +} + +/* + * Playback support device description + */ + +static struct snd_pcm_hardware snd_emu10k1_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, + .rate_min = 4000, + .rate_max = 96000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +/* + * Capture support device description + */ + +static struct snd_pcm_hardware snd_emu10k1_capture = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_8000_48000, + .rate_min = 8000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = (64*1024), + .period_bytes_min = 384, + .period_bytes_max = (64*1024), + .periods_min = 2, + .periods_max = 2, + .fifo_size = 0, +}; + +static struct snd_pcm_hardware snd_emu10k1_capture_efx = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, + .rate_min = 44100, + .rate_max = 192000, + .channels_min = 8, + .channels_max = 8, + .buffer_bytes_max = (64*1024), + .period_bytes_min = 384, + .period_bytes_max = (64*1024), + .periods_min = 2, + .periods_max = 2, + .fifo_size = 0, +}; + +/* + * + */ + +static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) +{ + struct snd_ctl_elem_id id; + + if (! kctl) + return; + if (activate) + kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + else + kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, + snd_ctl_build_ioff(&id, kctl, idx)); +} + +static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) +{ + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); +} + +static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) +{ + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); + snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); +} + +static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) +{ + kfree(runtime->private_data); +} + +static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm_mixer *mix; + int i; + + for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + mix = &emu->efx_pcm_mixer[i]; + mix->epcm = NULL; + snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); + } + return 0; +} + +static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm *epcm; + struct snd_emu10k1_pcm_mixer *mix; + struct snd_pcm_runtime *runtime = substream->runtime; + int i; + + epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); + if (epcm == NULL) + return -ENOMEM; + epcm->emu = emu; + epcm->type = PLAYBACK_EFX; + epcm->substream = substream; + + emu->pcm_playback_efx_substream = substream; + + runtime->private_data = epcm; + runtime->private_free = snd_emu10k1_pcm_free_substream; + runtime->hw = snd_emu10k1_efx_playback; + + for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + mix = &emu->efx_pcm_mixer[i]; + mix->send_routing[0][0] = i; + memset(&mix->send_volume, 0, sizeof(mix->send_volume)); + mix->send_volume[0][0] = 255; + mix->attn[0] = 0xffff; + mix->epcm = epcm; + snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); + } + return 0; +} + +static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm *epcm; + struct snd_emu10k1_pcm_mixer *mix; + struct snd_pcm_runtime *runtime = substream->runtime; + int i, err; + + epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); + if (epcm == NULL) + return -ENOMEM; + epcm->emu = emu; + epcm->type = PLAYBACK_EMUVOICE; + epcm->substream = substream; + runtime->private_data = epcm; + runtime->private_free = snd_emu10k1_pcm_free_substream; + runtime->hw = snd_emu10k1_playback; + if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { + kfree(epcm); + return err; + } + if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { + kfree(epcm); + return err; + } + err = snd_pcm_hw_rule_noresample(runtime, 48000); + if (err < 0) { + kfree(epcm); + return err; + } + mix = &emu->pcm_mixer[substream->number]; + for (i = 0; i < 4; i++) + mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; + memset(&mix->send_volume, 0, sizeof(mix->send_volume)); + mix->send_volume[0][0] = mix->send_volume[0][1] = + mix->send_volume[1][0] = mix->send_volume[2][1] = 255; + mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; + mix->epcm = epcm; + snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); + return 0; +} + +static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; + + mix->epcm = NULL; + snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); + return 0; +} + +static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_pcm *epcm; + + epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); + if (epcm == NULL) + return -ENOMEM; + epcm->emu = emu; + epcm->type = CAPTURE_AC97ADC; + epcm->substream = substream; + epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; + epcm->capture_inte = INTE_ADCBUFENABLE; + epcm->capture_ba_reg = ADCBA; + epcm->capture_bs_reg = ADCBS; + epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; + runtime->private_data = epcm; + runtime->private_free = snd_emu10k1_pcm_free_substream; + runtime->hw = snd_emu10k1_capture; + emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; + emu->pcm_capture_substream = substream; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); + return 0; +} + +static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + + emu->capture_interrupt = NULL; + emu->pcm_capture_substream = NULL; + return 0; +} + +static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm *epcm; + struct snd_pcm_runtime *runtime = substream->runtime; + + epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); + if (epcm == NULL) + return -ENOMEM; + epcm->emu = emu; + epcm->type = CAPTURE_AC97MIC; + epcm->substream = substream; + epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; + epcm->capture_inte = INTE_MICBUFENABLE; + epcm->capture_ba_reg = MICBA; + epcm->capture_bs_reg = MICBS; + epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; + substream->runtime->private_data = epcm; + substream->runtime->private_free = snd_emu10k1_pcm_free_substream; + runtime->hw = snd_emu10k1_capture; + runtime->hw.rates = SNDRV_PCM_RATE_8000; + runtime->hw.rate_min = runtime->hw.rate_max = 8000; + runtime->hw.channels_min = 1; + emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; + emu->pcm_capture_mic_substream = substream; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); + return 0; +} + +static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + + emu->capture_interrupt = NULL; + emu->pcm_capture_mic_substream = NULL; + return 0; +} + +static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_pcm *epcm; + struct snd_pcm_runtime *runtime = substream->runtime; + int nefx = emu->audigy ? 64 : 32; + int idx; + + epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); + if (epcm == NULL) + return -ENOMEM; + epcm->emu = emu; + epcm->type = CAPTURE_EFX; + epcm->substream = substream; + epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; + epcm->capture_inte = INTE_EFXBUFENABLE; + epcm->capture_ba_reg = FXBA; + epcm->capture_bs_reg = FXBS; + epcm->capture_idx_reg = FXIDX; + substream->runtime->private_data = epcm; + substream->runtime->private_free = snd_emu10k1_pcm_free_substream; + runtime->hw = snd_emu10k1_capture_efx; + runtime->hw.rates = SNDRV_PCM_RATE_48000; + runtime->hw.rate_min = runtime->hw.rate_max = 48000; + spin_lock_irq(&emu->reg_lock); + if (emu->card_capabilities->emu_model) { + /* Nb. of channels has been increased to 16 */ + /* TODO + * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE + * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | + * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 + * rate_min = 44100, + * rate_max = 192000, + * channels_min = 16, + * channels_max = 16, + * Need to add mixer control to fix sample rate + * + * There are 32 mono channels of 16bits each. + * 24bit Audio uses 2x channels over 16bit + * 96kHz uses 2x channels over 48kHz + * 192kHz uses 4x channels over 48kHz + * So, for 48kHz 24bit, one has 16 channels + * for 96kHz 24bit, one has 8 channels + * for 192kHz 24bit, one has 4 channels + * + */ +#if 1 + switch (emu->emu1010.internal_clock) { + case 0: + /* For 44.1kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_44100; + runtime->hw.rate_min = runtime->hw.rate_max = 44100; + runtime->hw.channels_min = + runtime->hw.channels_max = 16; + break; + case 1: + /* For 48kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_48000; + runtime->hw.rate_min = runtime->hw.rate_max = 48000; + runtime->hw.channels_min = + runtime->hw.channels_max = 16; + break; + }; +#endif +#if 0 + /* For 96kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_96000; + runtime->hw.rate_min = runtime->hw.rate_max = 96000; + runtime->hw.channels_min = runtime->hw.channels_max = 4; +#endif +#if 0 + /* For 192kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_192000; + runtime->hw.rate_min = runtime->hw.rate_max = 192000; + runtime->hw.channels_min = runtime->hw.channels_max = 2; +#endif + runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; + /* efx_voices_mask[0] is expected to be zero + * efx_voices_mask[1] is expected to have 32bits set + */ + } else { + runtime->hw.channels_min = runtime->hw.channels_max = 0; + for (idx = 0; idx < nefx; idx++) { + if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { + runtime->hw.channels_min++; + runtime->hw.channels_max++; + } + } + } + epcm->capture_cr_val = emu->efx_voices_mask[0]; + epcm->capture_cr_val2 = emu->efx_voices_mask[1]; + spin_unlock_irq(&emu->reg_lock); + emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; + emu->pcm_capture_efx_substream = substream; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); + return 0; +} + +static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + + emu->capture_interrupt = NULL; + emu->pcm_capture_efx_substream = NULL; + return 0; +} + +static struct snd_pcm_ops snd_emu10k1_playback_ops = { + .open = snd_emu10k1_playback_open, + .close = snd_emu10k1_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_playback_hw_params, + .hw_free = snd_emu10k1_playback_hw_free, + .prepare = snd_emu10k1_playback_prepare, + .trigger = snd_emu10k1_playback_trigger, + .pointer = snd_emu10k1_playback_pointer, + .page = snd_pcm_sgbuf_ops_page, +}; + +static struct snd_pcm_ops snd_emu10k1_capture_ops = { + .open = snd_emu10k1_capture_open, + .close = snd_emu10k1_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_capture_hw_params, + .hw_free = snd_emu10k1_capture_hw_free, + .prepare = snd_emu10k1_capture_prepare, + .trigger = snd_emu10k1_capture_trigger, + .pointer = snd_emu10k1_capture_pointer, +}; + +/* EFX playback */ +static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { + .open = snd_emu10k1_efx_playback_open, + .close = snd_emu10k1_efx_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_playback_hw_params, + .hw_free = snd_emu10k1_efx_playback_hw_free, + .prepare = snd_emu10k1_efx_playback_prepare, + .trigger = snd_emu10k1_efx_playback_trigger, + .pointer = snd_emu10k1_efx_playback_pointer, + .page = snd_pcm_sgbuf_ops_page, +}; + +int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) +{ + struct snd_pcm *pcm; + struct snd_pcm_substream *substream; + int err; + + if (rpcm) + *rpcm = NULL; + + if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) + return err; + + pcm->private_data = emu; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); + + pcm->info_flags = 0; + pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); + emu->pcm = pcm; + + for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) + if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) + return err; + + for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) + snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); + + if (rpcm) + *rpcm = pcm; + + return 0; +} + +int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) +{ + struct snd_pcm *pcm; + struct snd_pcm_substream *substream; + int err; + + if (rpcm) + *rpcm = NULL; + + if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) + return err; + + pcm->private_data = emu; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); + + pcm->info_flags = 0; + pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + strcpy(pcm->name, "Multichannel Playback"); + emu->pcm_multi = pcm; + + for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) + if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) + return err; + + if (rpcm) + *rpcm = pcm; + + return 0; +} + + +static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { + .open = snd_emu10k1_capture_mic_open, + .close = snd_emu10k1_capture_mic_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_capture_hw_params, + .hw_free = snd_emu10k1_capture_hw_free, + .prepare = snd_emu10k1_capture_prepare, + .trigger = snd_emu10k1_capture_trigger, + .pointer = snd_emu10k1_capture_pointer, +}; + +int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) +{ + struct snd_pcm *pcm; + int err; + + if (rpcm) + *rpcm = NULL; + + if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) + return err; + + pcm->private_data = emu; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); + + pcm->info_flags = 0; + strcpy(pcm->name, "Mic Capture"); + emu->pcm_mic = pcm; + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); + + if (rpcm) + *rpcm = pcm; + return 0; +} + +static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); + int nefx = emu->audigy ? 64 : 32; + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = nefx; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); + int nefx = emu->audigy ? 64 : 32; + int idx; + + spin_lock_irq(&emu->reg_lock); + for (idx = 0; idx < nefx; idx++) + ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; + spin_unlock_irq(&emu->reg_lock); + return 0; +} + +static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); + unsigned int nval[2], bits; + int nefx = emu->audigy ? 64 : 32; + int nefxb = emu->audigy ? 7 : 6; + int change, idx; + + nval[0] = nval[1] = 0; + for (idx = 0, bits = 0; idx < nefx; idx++) + if (ucontrol->value.integer.value[idx]) { + nval[idx / 32] |= 1 << (idx % 32); + bits++; + } + + for (idx = 0; idx < nefxb; idx++) + if (1 << idx == bits) + break; + + if (idx >= nefxb) + return -EINVAL; + + spin_lock_irq(&emu->reg_lock); + change = (nval[0] != emu->efx_voices_mask[0]) || + (nval[1] != emu->efx_voices_mask[1]); + emu->efx_voices_mask[0] = nval[0]; + emu->efx_voices_mask[1] = nval[1]; + spin_unlock_irq(&emu->reg_lock); + return change; +} + +static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "Captured FX8010 Outputs", + .info = snd_emu10k1_pcm_efx_voices_mask_info, + .get = snd_emu10k1_pcm_efx_voices_mask_get, + .put = snd_emu10k1_pcm_efx_voices_mask_put +}; + +static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { + .open = snd_emu10k1_capture_efx_open, + .close = snd_emu10k1_capture_efx_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_capture_hw_params, + .hw_free = snd_emu10k1_capture_hw_free, + .prepare = snd_emu10k1_capture_prepare, + .trigger = snd_emu10k1_capture_trigger, + .pointer = snd_emu10k1_capture_pointer, +}; + + +/* EFX playback */ + +#define INITIAL_TRAM_SHIFT 14 +#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) + +static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) +{ + struct snd_pcm_substream *substream = private_data; + snd_pcm_period_elapsed(substream); +} + +static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, + unsigned short *dst_right, + unsigned short *src, + unsigned int count, + unsigned int tram_shift) +{ + /* + printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " + "src = 0x%p, count = 0x%x\n", + dst_left, dst_right, src, count); + */ + if ((tram_shift & 1) == 0) { + while (count--) { + *dst_left-- = *src++; + *dst_right-- = *src++; + } + } else { + while (count--) { + *dst_right-- = *src++; + *dst_left-- = *src++; + } + } +} + +static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, + struct snd_pcm_indirect *rec, size_t bytes) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + unsigned int tram_size = pcm->buffer_size; + unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); + unsigned int frames = bytes >> 2, count; + unsigned int tram_pos = pcm->tram_pos; + unsigned int tram_shift = pcm->tram_shift; + + while (frames > tram_pos) { + count = tram_pos + 1; + snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, + (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, + src, count, tram_shift); + src += count * 2; + frames -= count; + tram_pos = (tram_size / 2) - 1; + tram_shift++; + } + snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, + (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, + src, frames, tram_shift); + tram_pos -= frames; + pcm->tram_pos = tram_pos; + pcm->tram_shift = tram_shift; +} + +static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + + snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); + return 0; +} + +static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); +} + +static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + unsigned int i; + + for (i = 0; i < pcm->channels; i++) + snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); + snd_pcm_lib_free_pages(substream); + return 0; +} + +static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + unsigned int i; + + /* + printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, " + "buffer_size = 0x%x (0x%x)\n", + emu->fx8010.etram_pages, runtime->dma_area, + runtime->buffer_size, runtime->buffer_size << 2); + */ + memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); + pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ + pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); + pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); + pcm->tram_shift = 0; + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); + for (i = 0; i < pcm->channels; i++) + snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); + return 0; +} + +static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + int result = 0; + + spin_lock(&emu->reg_lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + /* follow thru */ + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: +#ifdef EMU10K1_SET_AC3_IEC958 + { + int i; + for (i = 0; i < 3; i++) { + unsigned int bits; + bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | + SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | + 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; + snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); + } + } +#endif + result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); + if (result < 0) + goto __err; + snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; + snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); + pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); + pcm->tram_shift = 0; + break; + default: + result = -EINVAL; + break; + } + __err: + spin_unlock(&emu->reg_lock); + return result; +} + +static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + size_t ptr; /* byte pointer */ + + if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) + return 0; + ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; + return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); +} + +static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_RESUME | + /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 1, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 1024, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0, +}; + +static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + + runtime->hw = snd_emu10k1_fx8010_playback; + runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; + runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; + spin_lock_irq(&emu->reg_lock); + if (pcm->valid == 0) { + spin_unlock_irq(&emu->reg_lock); + return -ENODEV; + } + pcm->opened = 1; + spin_unlock_irq(&emu->reg_lock); + return 0; +} + +static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) +{ + struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); + struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; + + spin_lock_irq(&emu->reg_lock); + pcm->opened = 0; + spin_unlock_irq(&emu->reg_lock); + return 0; +} + +static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { + .open = snd_emu10k1_fx8010_playback_open, + .close = snd_emu10k1_fx8010_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_emu10k1_fx8010_playback_hw_params, + .hw_free = snd_emu10k1_fx8010_playback_hw_free, + .prepare = snd_emu10k1_fx8010_playback_prepare, + .trigger = snd_emu10k1_fx8010_playback_trigger, + .pointer = snd_emu10k1_fx8010_playback_pointer, + .ack = snd_emu10k1_fx8010_playback_transfer, +}; + +int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) +{ + struct snd_pcm *pcm; + struct snd_kcontrol *kctl; + int err; + + if (rpcm) + *rpcm = NULL; + + if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) + return err; + + pcm->private_data = emu; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); + + pcm->info_flags = 0; + strcpy(pcm->name, "Multichannel Capture/PT Playback"); + emu->pcm_efx = pcm; + if (rpcm) + *rpcm = pcm; + + /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs + * to these + */ + + /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ + if (emu->audigy) { + emu->efx_voices_mask[0] = 0; + if (emu->card_capabilities->emu_model) + /* Pavel Hofman - 32 voices will be used for + * capture (write mode) - + * each bit = corresponding voice + */ + emu->efx_voices_mask[1] = 0xffffffff; + else + emu->efx_voices_mask[1] = 0xffff; + } else { + emu->efx_voices_mask[0] = 0xffff0000; + emu->efx_voices_mask[1] = 0; + } + /* For emu1010, the control has to set 32 upper bits (voices) + * out of the 64 bits (voices) to true for the 16-channels capture + * to work correctly. Correct A_FXWC2 initial value (0xffffffff) + * is already defined but the snd_emu10k1_pcm_efx_voices_mask + * control can override this register's value. + */ + kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); + if (!kctl) + return -ENOMEM; + kctl->id.device = device; + snd_ctl_add(emu->card, kctl); + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); + + return 0; +} |